[ad_1] IMAGE: Artistic reconstruction of briggsi ‘Anomalocaris’ swimming in the twilight zone. View More Credit: Katrina Kenny According to new research published today, ancient deep-sea creatures called radiodont had an incredible vision that likely led an evolutionary arms race. The international study, led by Professor John Paterson of the University …
Read More »UCLA’s study of threatened desert turtles offers a new conservation strategy
[ad_1] In Nevada’s arid Ivanpah Valley, just southeast of Las Vegas, a massive unintended animal conservation experiment has revealed an unexpected result. From 1997 to 2014, the US Fish and Wildlife Service moved more than 9,100 Mojave Desert turtles to the 100-square-kilometer (approximately 39 square miles) large-scale translocation site. The …
Read More »T. rex had huge growth spikes, but other dinosaurs grew “slow and steady”
[ad_1] IMAGE: Paleontologist Tom Cullen cuts the T. rex femur in SUE to find out how T. rex grew. View More Credit: © David Evans Tyrannosaurus Rex it was one of the largest carnivorous dinosaurs of all time: it measured up to 42 feet in length from snout to tail …
Read More »How an infectious tumor in Tasmanian devils evolved as it spread
[ad_1] IMAGE: A young Tasmanian devil. Tasmanian devils are threatened by devil 1 face tumor (DFT1), a transmissible cancer. View More Credit: Maximilian Stammnitz A transmissible cancer in the Tasmanian devil has evolved over the past two decades, with some lineages spreading and replacing others, according to a new study …
Read More »How dolphins avoid “curves”
[ad_1] Dolphins actively slow their hearts before diving and can even adjust their heart rate depending on how long they intend to dive, suggests a new study. Posted in Frontiers in physiology, the findings provide new insights into how marine mammals conserve oxygen and adapt to pressure when diving. The …
Read More »The caterpillars are very hungry and angry
[ad_1] In the absence of euphorbia – their favorite food – the caterpillars of monarch butterflies (Danaus plexippus) go from peaceful feeders to aggressive fighters. Researchers reporting in the journal iScience on November 19 he observed that caterpillars with less access to food were more likely to lunge at others …
Read More »These masked singers are bats
[ad_1] IMAGE: The wrinkled-faced Centurio senex bat males display a hairy crease that can be pulled up to cover the lower half of the face like a mask. View More Credit: Marco Tschapka Wrinkled-faced bats not only have the most twisted faces of any bat species, the males also have …
Read More »Indian fossils support new hypotheses about the origin of ungulate mammals
[ad_1] IMAGE: View of the reconstruction of the life of Cambaytherium (illustration by Elaine Kasmer) More Credit: Elaine Kasmer New research published today on Journal of Vertebrate Paleontology describes a fossil family that sheds light on the origin of the perissodactyls, the group of mammals that includes horses, rhinos and …
Read More »First example of a rapid-fire tongue found in “weird and wonderful” extinct amphibians
[ad_1] GAINESVILLE, Florida — Fossils of bizarre armored amphibians known as albanerpetontids provide the earliest evidence of a slingshot-style language, new Science study shows. Despite having lizard-like claws, scales and tails, albanerpetontids – mercifully called “albies” for short – were amphibians, not reptiles. Their lineage was different from today’s frogs, …
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